Advanced Retinol Concentrated<b> Serum</b> from<b> StriVectin </b>combines Retinol and patented NIA-114™ technology in an anti-ageing multi-action treatment to deliver all the potency of Retinol with no irritation. Clinically proven to leave skin dramatically more refined and radiant, it reduces the appearance of fine lines and smoothes texture for a reduction in the look of pores.